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SXUS43 KMQT 290902
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MIZ001-292000-
Recreational Forecast for Isle Royale National Park
National Weather Service Marquette MI
502 AM EDT Tue Sep 29 2026

Isle Royale (SW areas)-
Including Greenstone Ridge South, Little Todd Harbor, Minong Ridge,
and Windigo-

.TODAY...A slight chance of rain showers by early afternoon. Rain
showers likely late. Cloudy. Highs around 60 at the shore and 64 to
69 inland. South winds 10 to 20 mph. Waves 2 to 3 feet building to
2 to 4 feet.
.TONIGHT...Rain showers likely through midnight. Cloudy. Lows around
54. Southwest winds 10 to 15 mph. Chance of showers 70 percent.
Waves subsiding to 1 to 2 feet.
.WEDNESDAY...Partly sunny. Highs around 59 at the shore and 62 to
67 inland. Southwest winds 5 to 15 mph. Waves building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 53. Southwest winds
5 to 15 mph becoming west late. Waves 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs around 58 at the shore and 61 to
66 inland. West winds 10 to 15 mph. Waves building to 2 to 3 feet.
.THURSDAY NIGHT...Partly cloudy. Lows around 46.
.FRIDAY...Sunny. Highs around 56.
.FRIDAY NIGHT...Partly cloudy. Lows around 47.
.SATURDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs around 57.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 47. Chance of showers 40 percent.
.SUNDAY AND SUNDAY NIGHT...Partly cloudy. Highs 54 to 59. Lows
around 43.
.MONDAY...Mostly sunny. Highs around 54.

&&

Isle Royale (NE areas)-
Including Greenstone Ridge North, Malone Bay, Mount Saginaw,
and Rock Harbor-

.TODAY...A slight chance of rain showers by early afternoon. Rain
showers likely late. Cloudy. Highs around 60 at the shore and 62 to
67 inland. South winds 10 to 15 mph. Waves 1 to 2 feet building to
2 to 3 feet.
.TONIGHT...Rain showers likely through midnight, then a slight
chance of rain showers late. Cloudy. Lows around 54. Southwest winds
5 to 15 mph. Chance of showers 70 percent. Waves subsiding to 1 to
2 feet.
.WEDNESDAY...Partly cloudy. Highs around 59 at the shore and 61 to
66 inland. Southwest winds 5 to 15 mph. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 53. Southwest winds
5 to 15 mph becoming west late. Waves subsiding to calm to 1 foot,
then building to 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs 57 to 62. West winds 5 to 15 mph.
Waves 1 to 2 feet.
.THURSDAY NIGHT...Partly cloudy. Lows around 48.
.FRIDAY...Sunny. Highs 53 to 58.
.FRIDAY NIGHT...Partly cloudy. Lows around 48.
.SATURDAY...Mostly cloudy. Highs 53 to 58.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 47.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 52 to 57. Lows around
43.

&&

Isle Royale (NW areas)-
Including Amygdaloid Island, Lookout Louise, and Minong Mine-

.TODAY...A slight chance of rain showers by early afternoon. Rain
showers late. Cloudy. Highs around 62 at the shore and 65 to
70 inland. South winds 10 to 15 mph. Waves 1 to 2 feet.
.TONIGHT...A 50 percent chance of rain showers through midnight.
Cloudy. Lows around 55. Southwest winds 10 to 15 mph. Waves 1 to
2 feet.
.WEDNESDAY...Partly cloudy. Highs around 61 at the shore and 63 to
68 inland. Southwest winds 5 to 15 mph. Waves 1 to 2 feet.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 53. Southwest winds
5 to 15 mph becoming west late. Waves 1 to 2 feet.
.THURSDAY...Partly cloudy. Highs around 59 at the shore and 61 to
66 inland. West winds 10 to 15 mph. Waves building to 2 to 3 feet
subsiding to 1 to 2 feet.
.THURSDAY NIGHT...Partly cloudy. Lows around 47.
.FRIDAY...Sunny. Highs 54 to 59.
.FRIDAY NIGHT...Partly cloudy. Lows around 47.
.SATURDAY...A 30 percent chance of rain showers by mid afternoon.
Mostly cloudy. Highs 54 to 59.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
showers. Lows around 47.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs 53 to 58. Lows around
43.

&&

Isle Royale (SE areas)-
Including Feldtman Ridge, Rainbow Cove, and Siskiwit Bay-

.TODAY...Areas of fog early. A slight chance of rain showers by
early afternoon. Rain showers likely late. Cloudy. Highs around
60 at the shore and 63 to 68 inland. South winds 10 to 20 mph. Waves
2 to 3 feet building to 2 to 4 feet.
.TONIGHT...Rain showers likely through midnight, then a slight
chance of rain showers late. Cloudy. Lows around 54. Southwest winds
5 to 15 mph. Chance of showers 70 percent. Waves subsiding to 1 to
2 feet.
.WEDNESDAY...Partly sunny. Highs around 59 at the shore and 61 to
66 inland. Southwest winds 5 to 15 mph. Waves building to 2 to
3 feet, then subsiding to 1 to 2 feet.
.WEDNESDAY NIGHT...Mostly cloudy. Lows around 52. Southwest winds
5 to 15 mph becoming west late. Waves subsiding to calm to 1 foot.
.THURSDAY...Partly cloudy. Highs around 57 at the shore and 60 to
65 inland. West winds 10 to 15 mph. Waves building to 1 to 2 feet.
.THURSDAY NIGHT...Partly cloudy. Lows around 46.
.FRIDAY...Sunny. Highs 53 to 58.
.FRIDAY NIGHT...Partly cloudy. Lows around 47.
.SATURDAY...Mostly cloudy. Highs 53 to 58.
.SATURDAY NIGHT...A chance of rain showers through midnight. Mostly
cloudy. Lows around 47. Chance of showers 40 percent.
.SUNDAY THROUGH MONDAY...Partly cloudy. Highs around 52 at the shore
and 54 to 59 inland. Lows around 43.

&&


$$